3. Choose the correct options.
1. I need some emails.
a) to answer b) answer c) answering
2. The situation is difficult _ __ .
a) for explain b) explain c) to explain
3. I don't know what
a) do b) to do c) that I do
4. I don't really mind ___ housework.
a) do b) to do c) doing
5. is one of the best forms of exercise.
a) Swimming b) Swimming c) Swim
6.___ bring our books tomorrow?
a) Do we have to b) Have we to c) Do we must
7. It's free. You pay.
a) don't have to b) mustn't c) haven’t to
8. You must ___ your grandmother.
a) to call b) calling c) call
9. You drink so much coffee.
a) not should b) don't should c) shouldn't
10. I think you should ___ to her about it.
a) to talk b) talk c) talking
1. I need to answer some emails.
a) to answer
2. The situation is difficult to explain .
c) to explain
3. I don't know what to do.
b) to do
4. I don't really mind doing housework.
c) doing
5. Swimming is one of the best forms of exercise.
a) Swimming b) Swimming
6. Do we have to bring our books tomorrow?
a) Do we have to
7. It's free. You don't have to pay.
a) don't have to
8. You must call your grandmother.
c) call
9. You shouldn't drink so much coffee.
c) shouldn't
10. I think you should talk to her about it.
b) talk